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| author | Andreas Rumpf <rumpf_a@web.de> | 2016-07-14 23:20:38 +0200 |
|---|---|---|
| committer | Andreas Rumpf <rumpf_a@web.de> | 2016-07-15 00:22:14 +0200 |
| commit | 995727ffd0cef78231203523d7a3c36bb014b30d (patch) | |
| tree | 9294d9ccfdd3bdadd27c03b3fe4c7d6443c46edb /compiler/sigmatch.nim | |
| parent | 50e3ca9f3628c256f5f8e9936f38efd77d445131 (diff) | |
| download | Nim-995727ffd0cef78231203523d7a3c36bb014b30d.tar.gz | |
decent error message for 'var T' problems
Diffstat (limited to 'compiler/sigmatch.nim')
| -rw-r--r-- | compiler/sigmatch.nim | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/compiler/sigmatch.nim b/compiler/sigmatch.nim index 8c8c83d0f..7c57936eb 100644 --- a/compiler/sigmatch.nim +++ b/compiler/sigmatch.nim @@ -22,7 +22,7 @@ type TCandidateState* = enum csEmpty, csMatch, csNoMatch - CandidateErrors* = seq[PSym] + CandidateErrors* = seq[(PSym,int)] TCandidate* = object c*: PContext exactMatches*: int # also misused to prefer iters over procs @@ -49,6 +49,7 @@ type # a distrinct type typedescMatched*: bool isNoCall*: bool # misused for generic type instantiations C[T] + mutabilityProblem*: uint8 # tyVar mismatch inheritancePenalty: int # to prefer closest father object type errors*: CandidateErrors # additional clarifications to be displayed to the # user if overload resolution fails @@ -1579,6 +1580,7 @@ proc matchesAux(c: PContext, n, nOrig: PNode, if formal.typ.kind == tyVar: if not n.isLValue: m.state = csNoMatch + m.mutabilityProblem = uint8(f-1) return var |